diff --git a/Power_Pico/User/Tasks/Inc/user_KeyTask.h b/Power_Pico/User/Tasks/Inc/user_KeyTask.h
new file mode 100644
index 0000000..9d0eaa0
--- /dev/null
+++ b/Power_Pico/User/Tasks/Inc/user_KeyTask.h
@@ -0,0 +1,16 @@
+#ifndef __USER_KEYTASK_H__
+#define __USER_KEYTASK_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void KeyTask(void *argument);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/Power_Pico/User/Tasks/Inc/user_SendTask.h b/Power_Pico/User/Tasks/Inc/user_SendTask.h
new file mode 100644
index 0000000..f8d18bd
--- /dev/null
+++ b/Power_Pico/User/Tasks/Inc/user_SendTask.h
@@ -0,0 +1,16 @@
+#ifndef __USER_SENDTASK_H__
+#define __USER_SENDTASK_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void UartSendTask(void *argument);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/Power_Pico/User/Tasks/Src/user_KeyTask.c b/Power_Pico/User/Tasks/Src/user_KeyTask.c
new file mode 100644
index 0000000..3f67aef
--- /dev/null
+++ b/Power_Pico/User/Tasks/Src/user_KeyTask.c
@@ -0,0 +1,51 @@
+/* Private includes -----------------------------------------------------------*/
+//includes
+#include "user_TasksInit.h"
+#include "main.h"
+#include "key.h"
+
+/* Private typedef -----------------------------------------------------------*/
+
+/* Private define ------------------------------------------------------------*/
+
+/* Private variables ---------------------------------------------------------*/
+
+/* Private function prototypes -----------------------------------------------*/
+
+
+/**
+  * @brief  Key press check task
+  * @param  argument: Not used
+  * @retval None
+  */
+void KeyTask(void *argument)
+{
+	uint8_t keystr = 0;
+	while(1)
+	{
+		keystr = KeyScan(0);
+		switch(keystr)
+		{
+			case KEYB_NUM:
+				osMessageQueuePut(Key_MessageQueue, &keystr, 0, 1);
+				break;
+
+			case KEYY_NUM:
+				osMessageQueuePut(Key_MessageQueue, &keystr, 0, 1);
+				break;
+
+			case KEYL_NUM:
+				osMessageQueuePut(Key_MessageQueue, &keystr, 0, 1);
+				break;
+
+			case KEYR_NUM:
+				osMessageQueuePut(Key_MessageQueue, &keystr, 0, 1);
+				break;
+
+			case KEYN_NUM:
+				osMessageQueuePut(Key_MessageQueue, &keystr, 0, 1);
+				break;
+		}
+		osDelay(1);
+	}
+}
diff --git a/Power_Pico/User/Tasks/Src/user_SendTask.c b/Power_Pico/User/Tasks/Src/user_SendTask.c
new file mode 100644
index 0000000..a436b01
--- /dev/null
+++ b/Power_Pico/User/Tasks/Src/user_SendTask.c
@@ -0,0 +1,31 @@
+/* Private includes -----------------------------------------------------------*/
+//includes
+#include "user_TasksInit.h"
+#include "main.h"
+
+/* Private typedef -----------------------------------------------------------*/
+
+/* Private define ------------------------------------------------------------*/
+
+/* Private variables ---------------------------------------------------------*/
+
+/* Private function prototypes -----------------------------------------------*/
+
+
+/**
+  * @brief  task for send messages or data
+  * @param  argument: Not used
+  * @retval None
+  */
+void UartSendTask(void *argument)
+{
+  uint8_t keystr = 0;
+	while(1)
+	{
+    if(osMessageQueueGet(Key_MessageQueue, &keystr, NULL, 0)==osOK)
+		{
+      UART6_TX_Send((uint8_t *)"key pressed\r\n", 13);
+    }
+		osDelay(1);
+	}
+}
diff --git a/Power_Pico/User/Tasks/Src/user_TasksInit.c b/Power_Pico/User/Tasks/Src/user_TasksInit.c
index 26f1f79..f05e970 100644
--- a/Power_Pico/User/Tasks/Src/user_TasksInit.c
+++ b/Power_Pico/User/Tasks/Src/user_TasksInit.c
@@ -10,7 +10,8 @@
 
 //tasks
 #include "user_HardwareInitTask.h"
-
+#include "user_SendTask.h"
+#include "user_KeyTask.h"
 
 /* Private typedef -----------------------------------------------------------*/
 
@@ -34,12 +35,12 @@ const osThreadAttr_t HardwareInitTask_attributes = {
   .priority = (osPriority_t) osPriorityHigh3,
 };
 
-//LVGL Handler task
-osThreadId_t LvHandlerTaskHandle;
-const osThreadAttr_t LvHandlerTask_attributes = {
-  .name = "LvHandlerTask",
-  .stack_size = 128 * 24,
-  .priority = (osPriority_t) osPriorityLow,
+//UART send task
+osThreadId_t UartSendTaskHandle;
+const osThreadAttr_t UartSendTask_attributes = {
+  .name = "UartSendTask",
+  .stack_size = 128 * 1,
+  .priority = (osPriority_t) osPriorityHigh1,
 };
 
 //Key task
@@ -50,6 +51,14 @@ const osThreadAttr_t KeyTask_attributes = {
   .priority = (osPriority_t) osPriorityNormal,
 };
 
+//LVGL Handler task
+osThreadId_t LvHandlerTaskHandle;
+const osThreadAttr_t LvHandlerTask_attributes = {
+  .name = "LvHandlerTask",
+  .stack_size = 128 * 24,
+  .priority = (osPriority_t) osPriorityLow,
+};
+
 
 /* Message queues ------------------------------------------------------------*/
 //Key message
@@ -72,13 +81,13 @@ void User_Tasks_Init(void)
   /* start timers, add new ones, ... */
 
   /* add queues, ... */
-	Key_MessageQueue  = osMessageQueueNew(1, 1, NULL);
+	Key_MessageQueue  = osMessageQueueNew(4, 1, NULL);
 
 	/* add threads, ... */
   HardwareInitTaskHandle  = osThreadNew(HardwareInitTask, NULL, &HardwareInitTask_attributes);
+  UartSendTaskHandle      = osThreadNew(UartSendTask, NULL, &UartSendTask_attributes);
+  KeyTaskHandle 			    = osThreadNew(KeyTask, NULL, &KeyTask_attributes);
   LvHandlerTaskHandle     = osThreadNew(LvHandlerTask, NULL, &LvHandlerTask_attributes);
-	// KeyTaskHandle 			 = osThreadNew(KeyTask, NULL, &KeyTask_attributes);
-
 
   /* add events, ... */